Greek - Ancient Greek - English Dictionary
For ancient or modern Greek. Greek words are printed in both Latin and Greek fonts.

English - Greek Computer Dictionary
To read the Greek, set page encoding to Greek (Windows-1253) before you type in the word to translate. Includes an acronym dictionary.

Translatum - The Greek Translation Vortal
A Greek translation portal containing web tools (interactive dictionary links for many languages, quotations, encyclopedia and thesauri), electronic dictionaries, machine translation, and more.